Currently a wide range of 433Mhz devices are supported! Also some 868 Mhz devices are already supported by the firmware. Support for 2.4 GHz is also planned.
When you instal Domoticz on a PC or a Pi, you will in most cases want to receive data from weather sensors and control some lamps etc.
Even when you want to use alternative communication methos like ZWave/Zigbee you will face high costs for weather sensors and your wallet is much happier when you use 433/868 mhz.
In any case, you will need something that picks up the RF signals from the air and turns it into something that can be used by Domoticz.
The RFLink Gateway is just that. It grabs RF signals and translates those into commands and data that Domoticz understands.
When you then want to control something from Domoticz, the RFlink Gateway also broadcasts these signals so that your wireless devices perform the action you initiated with Domoticz.
The RFLink Gateway is an open source project just like Domoticz which means that development can be done by anyone who wants to contribute.
Support for new devices can be added quickly to the firmware and testing is simplified due to easy debug modes and can be done even without a lot of technical knowledge.
Our aim with the RFLink Gateway is to have a low-cost, stable and widely accepted solution.
Detailed information about the RFLink gateway can be found here: http://www.nemcon.nl/blog2/
Roadmap:
- Add as many 433 Mhz devices as we can find
- Add support for 2.4 GHz communication
- Extend 868 Mhz support
- Get the RFlink Gateway supported by multiple platforms
What you will need as a bare minimum:
- Arduino Mega
- 433 Mhz RF Receiver & Transmitter module (or transceiver)
This will cost you between ~16 (from Asia and you need to connect some wires or solder) to ~40 euros (local stores for a ready build set)
Stuntteam
Keep up the good work!
. I am using it with HomeEasy On/Off switches. I ordered via 
I already downloaded r30 !